I have seen FAs on 739s access the pax power on/off from the multi-function cabin control touchscreen. It indeed is there and it indeed is manual (and they very frequently forget to turn it on/off IME).
Originally Posted by
LarryJ
They are not suppose to stay on. They should cut off just before we start to taxi and stay off until through 10,000 feet. Then back off descending through 10,000 feet until parked at the gate. It is controlled by the same switch that turns the blue light above the cockpit door on.
I'm not aware of any switch on the F/A's panel that controls the outlets. I'll check tomorrow.